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Details
- Instance of
- mineral species
- Subclass of
- allophane group
- chemical formula
- Cu₂₋ₓAlₓ(H₂₋ₓSi₂O₅)(OH)₄ · nH₂O
- crystal system
- orthorhombic crystal system
- described by source
- Pauly–Wissowa, On Stones, Brockhaus and Efron Encyclopedic Dictionary, Meyers Konversations-Lexikon, 4th edition (1885–1890), Encyclopædia Britannica 11th edition, Armenian Soviet Encyclopedia, vol. 12
- IMA Mineral Symbol
- Ccl
- IMA status and/or rank
- approved mineral and/or valid name (A)
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.ED.20
- Nickel-Strunz 9th edition (updated 2009)
- 9.ED.20
- Strunz 8th edition (series ID, updated)
- VIII/E.11a
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